Question

Помогите пожалуйстааа!!!))))Вмиску с водой, добавь 1 чайную ложку крахмала и помешивая, доведи до кипения. В этом растворе смочи кусок бинта, выжми, высуши. На спичку напотай ваты, смочи слюной и на накрахмаленом кусочке бинта напиши букву или цыфру. Зажми бинт между ладонями на 2-4 минуты, затем опусти в водный раствор йода. рассмотри бинт:1) Опиши результат опыта.2) Сделай вывод о влиянии ферментов на органические вещества.

Answer 1

Я провёл опыт и отсюда следует что йод взаимодействует с крахмалом окрашивая бинт в фиолетовый или тёмно-синий цвет белой буквой
Ферменты расщепляет сложные органические вещества на более простые

Answer 2

Experiment Results and Conclusion

The experiment you described involves mixing starch with water, bringing it to a boil, soaking a piece of cloth in the solution, and then writing a letter or number on the cloth using saliva-moistened cotton and starch. Afterward, the cloth is squeezed between the palms for 2-4 minutes and then dipped into a iodine solution.

1) The result of the experiment is not explicitly mentioned in your question. However, based on similar experiments, it is likely that the area of the cloth where the letter or number was written will turn blue-black when dipped into the iodine solution. This is because iodine reacts with starch to form a blue-black complex. The rest of the cloth that was not written on may remain colorless or have a faint color.

2) Based on the experiment, we can make the following conclusion about the influence of enzymes on organic substances:

Enzymes, which are biological catalysts, play a crucial role in breaking down organic substances. In this experiment, the saliva contains enzymes, such as amylase, which catalyze the breakdown of starch into smaller sugar molecules. When the saliva-moistened cotton is applied to the starch-coated cloth, the enzymes in the saliva start breaking down the starch molecules into simpler sugars. This breakdown of starch by enzymes allows the iodine solution to react with the released sugars, resulting in the blue-black color observed on the cloth.

Overall, this experiment demonstrates the influence of enzymes on organic substances by showing how the presence of enzymes in saliva can break down starch into simpler sugars, which can then react with other substances like iodine.